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Finding the Fourth Proportional to 174,029.82, 240,153.03 and 98,578.86

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Solution

The fourth proportional to 174,029.82, 240,153.03 and 98,578.86 is: 136,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,029.82 : 240,153.03 = 98,578.86 : x
  2. Step 2: Convert to fraction form
    174,029.82/240,153.03 = 98,578.86/x
  3. Step 3: Cross multiply
    174,029.82x = 240,153.03 × 98,578.86
  4. Step 4: Simplify right side
    174,029.82x = 23,674,011,922.95
  5. Step 5: Solve for x
    x = 23,674,011,922.95/174,029.82
  6. Step 6: Final answer
    x = 136,034.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.